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Plasma alpha-fetoprotein concentrations in pregnant cows exposed to Sarcocystis cruzi, Campylobacter fetus, or Aspergillus fumigatus
1981
Baetz, A.L. | Crandell, S.E. | Schmerr, M.J.F. | Barnett, D. | Bryner, J.H.
Sarcocystis cruzi, pregnant cows, plasma alpha-fetoprotein concentrations, cannot be used as diagnostic tool for fetal death
Show more [+] Less [-]Ixodes (Afrixodes) matopi n. sp. (Acarina: Ixodidae): A tick found aggregating on pre-orbital gland scent marks of the klipspringer in Zimbabwe
1981
Spickett, A.M. | Keirans, J.E. | Norval, R.A.I. | Clifford, C.M.
Ixodes (Afrixodes) matopi n. sp. is described from females and males collected off twigs bearing deposits of intraspecific communication marks secreted by the pre-orbital glands of the klipspringer Oreotragus oreotragus and from laboratory-reared immature specimens. One female was also found on a goat. The 4 collections were all from Zimbabwe, 3 of them from Matabeleland South Province and the fourth from Inyanga District, Zimbabwe.
Show more [+] Less [-]Studies on a bovine Babesia transmitted by Hyalomma marginatum rufipes Koch, 1844
1981
Gray, J.S. | De Vos, A.J.
Babesia occultans n. sp. originally obtained from engorged female Hyalomma marginatum rufipes collected from cattle in Northern Transvaal, transmission studies in laboratory strain of ticks and splenectomized cattle, morphological, serological, and cross-immunity studies distinguished parasite as previously undescribed species highly infective for H. marginatum rufipes but of low virulence in cattle, unsuccessful attempt to transmit transovarially with Boophilus microplus
Show more [+] Less [-]Non-specific esterase isoenzymes of adult schistosomes from the hippopotamus (Hippopotamus amphibius)
1981
Fripp, P.J.
isoenzyme patterns of extracts of adult schistosomes collected from Hippopotamus amphibius in Kruger National Park compared with similar extracts of adult Schistosoma mansoni and S. rodhaini, characteristics differed suggesting that H. amphibius schistosome is separate species
Show more [+] Less [-]Recovery of helminths postmortem from equines. I. Parasites in arteries, subperitoneum, liver and lungs
1981
Malan, F.S. | Reinecke, R.K. | Scialdo, R.C.
techniques to locate lesions and recover developmental stages of helminths from equine arteries, subperitoneum, liver, and lungs postmortem
Show more [+] Less [-]Staining characteristics of colonies of Anaplasma marginale Theiler in Dermacentor andersoni Stiles
1981
Oberst, R.D. | Kocan, K.M. | Hair, J.A. | Ewing, S.A.
Anaplasma marginale, several techniques used to determine effectiveness of stains for demonstrating colonies of Anaplasma in Dermacentor andersoni
Show more [+] Less [-]Exercise in the dog with Dirofilaria immitis infection
1981
Rawlings, C.A.
Dirofilaria immitis-infected dogs (exper.), cardiopulmonary function before and after period of exercise training, dogs tolerated program without signs of congestive heart failure or further development of pulmonary hypertension
Show more [+] Less [-]Rhipicephalus zambeziensis sp. nov., a new tick from eastern and southern Africa, together with a redescription of Rhipicephalus appendiculatus Neumann, 1901 (Acarina, Ixodidae)
1981
Walker, J.B. | Norval, R.A.I. | Corwin, M.D.
Rhipicephalus zambeziensis n. sp., all stages of life cycle compared with life cycle of R. appendiculatus, redescription of R. appendiculatus, attempts to cross breed these 2 species in laboratory were unsuccessful thus validating their taxonomic separation, the 2 species can live sympatrically
Show more [+] Less [-]Protective immunity against clinical toxoplasmosis in dairy goats vaccinated with Hammondia hammondi and Hammondia heydorni
1981
Dubey, J.P.
Protective immunity against clinical toxoplasmosis in dairy goats vaccinated with Hammondia hammondi and Hammondia heydorni
1981
Dubey, J.P.
Toxoplasma gondii, clinical disease in nonvaccinated dairy goats, protective immunity against clinical toxoplasmosis in dairy goats vaccinated with Hammondia hammondi but not H. heydorni, antibody to T. gondii in vaccinated and challenge exposed goats
Show more [+] Less [-]Protective immunity against clinical toxoplasmosis in dairy goats vaccinated with Hammondia hammondi and Hammondia heydorni.
1981
Dubey J.P.
Prevention of abortion and neonatal death due to toxoplasmosis by vaccination of goats with the nonpathogenic coccidium Hammondia hammondi
1981
Dubey, J.P.
Prevention of abortion and neonatal death due to toxoplasmosis by vaccination of goats with the nonpathogenic coccidium Hammondia hammondi
1981
Dubey, J.P.
Toxoplasma gondii, goats, prevention of abortion and neonatal death by vaccination with nonpathogenic coccidium Hammondia hammondi
Show more [+] Less [-]Prevention of abortion and neonatal death due to toxoplasmosis by vaccination of goats with the nonpathogenic coccidium Hammondia hammondi.
1981
Dubey J.P.